Top NET Jobs in Belfast

Provides senior technical leadership and delivery for complex .NET and cloud-native projects. Translates business requirements into technical designs, develops distributed and microservice solutions on Azure or AWS, writes integration and end-to-end tests, and maintains code quality and security standards. Collaborates with technical and non-technical stakeholders, contributes to architecture and design reviews, resolves technical challenges, and supports knowledge sharing and team development.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Build and own production React screens for a browser-based transportation dispatch platform. Responsibilities include integrating OData and CloudHub services, managing Redux state, creating data-heavy accessible interfaces, implementing maps and drag-and-drop workflows, writing Playwright and axe-core tests, optimizing performance, and shipping tested functionality weekly. The role also involves backend service enhancements, CI/CD practices, pair-squad collaboration, and AI-assisted development.

Lead the architecture and development of cloud-based software solutions using the Microsoft Azure stack and .NET technologies. Build and guide cross-functional Agile squads, oversee technical decisions, conduct code reviews, and ensure maintainable, extensible outcomes. The role involves approximately 70% technical development and 30% management, collaboration with distributed engineering teams, API and RESTful service development, and applying Scrum and DevSecOps practices.

Develop and deliver AI-enabled full-stack .NET features from design through deployment. Work with senior engineers to estimate, implement, test, and remediate issues. Build web services, contribute to agentic tooling (skills/agents/harnesses), improve prompts/workflows, and collaborate across teams to ensure high-quality, scalable fintech solutions.

Hands-on Senior Developer responsible for designing, building, and supporting scalable enterprise SaaS features and integrations for an automotive intelligence platform. Work across the full .NET stack, database design and tuning, front-end development, APIs, and CI/CD while collaborating with Product, QA, and UX to maintain engineering standards and production support.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

The Microsoft .NET Consultant will develop, test, and maintain high-quality .NET applications, collaborate with teams, troubleshoot issues, and stay updated on development trends.

Part-time marketing role supporting industry, competitor, prospect, and market research; AI-generated content review; source verification; SEO and AI-search research; campaign and sales materials; and development of repeatable AI-assisted marketing processes. The role requires strong writing, analytical thinking, fact-checking, attention to detail, independent work, and curiosity about technology, AI, business, and marketing. It is a 12-week, remote UK-based paid program requiring 15–20 hours weekly.

Design, implement and maintain full-stack .NET solutions across the SDLC. Own major features from concept to deployment, collaborate with engineers, gather requirements, release timely software, debug issues with support, and balance speed with quality in a fast-paced fintech environment.